Ursula Hamenstädt | Academic Influence

Ursula Hamenstädt's AcademicInfluence.com Rankings

Ursula Hamenstädt

Mathematics

#3734

World Rank

#5451

Historical Rank

Group Theory

#398

World Rank

#457

Historical Rank

Algebra

#687

World Rank

#899

Historical Rank

Measure Theory

#4434

World Rank

#5209

Historical Rank

mathematics Degrees

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Mathematics

Ursula Hamenstädt's Degrees

PhD Mathematics University of Göttingen
Masters Mathematics University of Göttingen
Bachelors Mathematics University of Göttingen

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Why Is Ursula Hamenstädt Influential?

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According to Wikipedia, Ursula Hamenstädt is a German mathematician who works as a professor at the University of Bonn. Her primary research subject is differential geometry. Education and career Hamenstädt earned her PhD from the University of Bonn in 1986, under the supervision of Wilhelm Klingenberg. Her dissertation, Zur Theorie der Carnot-Caratheodory Metriken und ihren Anwendungen [The theory of Carnot–Caratheodory metrics and their applications], concerned the theory of sub-Riemannian manifolds.

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Ursula Hamenstädt's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Geometry of the mapping class groups I: Boundary amenability (2005) (97)
A new description of the Bowen—Margulis measure (1989) (84)
Some regularity theorems for Carnot-Carathéodory metrics (1990) (83)
Cocycles, Symplectic Structures and Intersection (1997) (58)
Entropy-rigidity of locally symmetric spaces of negative curvature (1990) (47)
Time-preserving conjugacies of geodesic flows (1992) (39)
A geometric characterization of negatively curved locally symmetric spaces (1991) (38)
Cocycles, Hausdorff measures and cross ratios (1997) (30)
Invariant two-forms for geodesic flows (1995) (29)
Incompressible Surfaces in Rank One Locally Symmetric Spaces (2014) (25)
Stability of quasi-geodesics in Teichmüller space (2010) (24)
Harmonic measures for compact negatively curved manifolds (1997) (22)
Length functions and parameterizations of Teichmüller space for surfaces with cusps (2003) (21)
Invariant Radon measures on measured lamination space (2007) (20)
Hyperbolicity of the graph of nonseparating multicurves (2014) (17)
Regularity of time-preserving conjugacies for contact Anosov flows with C1-Anosov splitting (1993) (17)
Spheres and projections for Out(Fn) (2011) (17)
An explicite description of harmonic measure (1990) (16)
Ergodicity of the absolute period foliation (2018) (16)
Parametrizations of Teichmüller Space and Its Thurston Boundary (2003) (15)
THE BOUNDARY OF THE FREE FACTOR GRAPH AND THE FREE SPLITTING GRAPH (2014) (12)
Regularity at infinity of compact negatively curved manifolds (1994) (11)
Isometry Groups of Proper Hyperbolic Spaces (2005) (9)
Ergodic Properties of Function Groups (2002) (9)
Isometry groups of proper CAT(0)-spaces of rank one (2012) (9)
Anosov flows which are uniformly expanding at periodic points (1994) (7)
Small eigenvalues of geometrically finite manifolds (2004) (7)
Harmonic measures, Hausdorff measures and positive eigenfunctions (1996) (6)
Systoles of a Family of Triangle Surfaces (2002) (5)
COUNTING PERIODIC ORBITS IN THE THIN PART OF STRATA (2016) (5)
Distance in the curve graph (2011) (4)
Ergodic properties of Gibbs measures on nilpotent covers (2002) (4)
Convex Cocompact Subgroups of $\mathrm{Out}(F_n)$ (2014) (3)
Dynamical properties of the Weil-Petersson metric (2009) (3)
On the orbifold fundamental group of the odd component of the stratum H(2,...,2) (2020) (2)
Differentialgeometrie im Grossen (2022) (2)
Typical properties of periodic Teichmüller geodesics: Lyapunov exponents (2021) (1)
In the tradition of Ahlfors-Bers, VI : 5th Ahlfors-Bers Colloquium, March 24-27, 2011, Rice University, Houston, TX (2013) (1)
Actions of the Mapping Class Group (2011) (1)
Groups and Analysis: Equidistribution for quadratic differentials (2008) (1)
Harmonic Measures for Leafwise Elliptic Operators Along Foliations (1994) (1)
Bernoulli Measures for the Teichm¨uller Flow (2006) (1)
Generating the spin mapping class group by Dehn twists (2020) (0)
New Perspectives on the Interplay between Discrete Groups in Low-Dimensional Topology and Arithmetic Lattices (2015) (0)
Distance in the curve graph (2013) (0)
Artin groups and mapping class groups (2019) (0)
ZOOMING IN AND OUT : THE WORK OF MARYAM MIRZAKHANI FROM THE EYES OF A GEOMETER (2018) (0)
Ergodicity of the absolute period foliation (2018) (0)
Signature of surface bundles and bounded cohomology (2020) (0)
Incompressible Surfaces in Rank One Locally Symmetric Spaces (2015) (0)
O ct 2 00 2 An example for nonequivalence of symplectic capacities (2002) (0)
Applications of Teichmüller theory to hyperbolic 3-manifolds (0)
Teichmüller curves in the Deligne-Mumford compactification (2008) (0)
Se p 20 02 Spectral convergence of manifold pairs (2002) (0)
SG ] 5 S ep 2 00 2 Examples for nonequivalence of symplectic capacities (2002) (0)
Hodge classes on self-products of K 3 surfaces (2009) (0)
Some aspects of the Laplace operator in negative curvature (1991) (0)
Geometric and ergodic properties of the stable foliation (1995) (0)
5 S ep 2 00 2 Spectral convergence of manifold pairs (2002) (0)

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